Code Definition

B0007 — No engine request received

System: Body  |  Type: Generic (OBD-II Standard)  |  Make: Isuzu

About B0007

B0007 is a generic (obd-ii standard) body diagnostic trouble code recorded for Isuzu vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

Scanning & clearing: Body (B) codes are often stored in the body control module, airbag module, or climate module. A basic OBD-II tool usually will not read body codes — an enhanced or OEM-level scan tool is typically required.

Because B0007 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The B0007 code relates to inter module network communication on the Controller Area Network (CAN) bus, where one control unit (commonly the Body Control Module or Transmission Control Module) expects a periodic engine status or engine request message from the Engine Control Module (ECM) and does not receive it. Vehicle control modules continuously broadcast and listen for data frames over the CAN bus so that functions such as starting, gear selection, and immobiliser authorisation can be coordinated, and a missing or corrupted engine request message breaks that coordination. The ECM normally t...

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